Home / 12,129,432,816.54-16,739,483,457.12-6,703,851,707.30

Finding the Fourth Proportional to 12,129,432,816.54, 16,739,483,457.12 and 6,703,851,707.30

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Solution

The fourth proportional to 12,129,432,816.54, 16,739,483,457.12 and 6,703,851,707.30 is: 9,251,794,082.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,129,432,816.54 : 16,739,483,457.12 = 6,703,851,707.30 : x
  2. Step 2: Convert to fraction form
    12,129,432,816.54/16,739,483,457.12 = 6,703,851,707.30/x
  3. Step 3: Cross multiply
    12,129,432,816.54x = 16,739,483,457.12 × 6,703,851,707.30
  4. Step 4: Simplify right side
    12,129,432,816.54x = 112,219,014,753,334,034,432
  5. Step 5: Solve for x
    x = 112,219,014,753,334,034,432/12,129,432,816.54
  6. Step 6: Final answer
    x = 9,251,794,082.27

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.